JP3159339U - 2-axis coupling device - Google Patents

2-axis coupling device Download PDF

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Publication number
JP3159339U
JP3159339U JP2010000303U JP2010000303U JP3159339U JP 3159339 U JP3159339 U JP 3159339U JP 2010000303 U JP2010000303 U JP 2010000303U JP 2010000303 U JP2010000303 U JP 2010000303U JP 3159339 U JP3159339 U JP 3159339U
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Japan
Prior art keywords
shaft
coupling device
tip
ridges
hole
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JP2010000303U
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Japanese (ja)
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守弘 斉藤
守弘 斉藤
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Kyodo KK
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Kyodo KK
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Priority to KR1020110004483A priority patent/KR20110085898A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
    • F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B15/00—Hand-held shears with motor-driven blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/24—Concentric actuation rods, e.g. actuation rods extending concentrically through a shaft

Abstract

【課題】ワンタッチ操作で、被動軸と駆動軸を容易に連結できる２軸連結装置を提供する。【解決手段】第１軸と第２軸とを連結する連結装置であって、第１軸の先端外周に形成した軸方向に延びる突条と、第２軸の先端部に形成した、第１軸の先端部を嵌入する孔と、この孔の内周面に半径方向内方に突出して形成した、複数の突条と、この突条間に形成される第１軸の突条を嵌入せしめる溝とより成り、第１及び第２の軸の突条の端面が尖頭状とされている。【選択図】図２To provide a two-axis coupling device capable of easily coupling a driven shaft and a drive shaft by one-touch operation. A coupling device that couples a first shaft and a second shaft, wherein an axially extending ridge formed on the outer periphery of the tip of the first shaft and a first shaft formed on the tip of the second shaft. A hole for inserting the tip of the shaft, a plurality of protrusions formed to protrude radially inwardly on the inner peripheral surface of the hole, and a protrusion of the first shaft formed between the protrusions are inserted. It consists of a groove, and the end surfaces of the ridges of the first and second shafts are pointed. [Selection] Figure 2

Description

本考案は２軸連結装置、特に、互いに軸方向に移動して連結される第１軸（駆動軸）と第２軸（被動軸）の端部に形成した連結装置に関するものである。   The present invention relates to a two-axis coupling device, and more particularly to a coupling device formed at the ends of a first shaft (drive shaft) and a second shaft (driven shaft) that are coupled to each other in the axial direction.

駆動軸と被動軸の何れか一方の端部外周に互いに周方向に離間して突部を形成し、何れか他方に上記一方の端部を嵌入する孔を形成し、この孔の内周面に上記突部に合致する凹溝を形成し、上記突部を上記凹溝に挿入することによって上記一方及び他方の軸を回転動力伝達自在に連結する連結装置は既知である。   A projecting portion is formed on the outer periphery of one end of either the drive shaft or the driven shaft so as to be spaced apart from each other in the circumferential direction, and a hole for fitting the one end is formed on either one of the outer periphery. A connecting device that forms a concave groove that matches the protrusion and inserts the protrusion into the concave groove to connect the one and the other shafts so as to transmit rotational power is known.

図８〜図１１はこのような連結装置を用いた刈払機の説明図を示し、１は刈刃等の作業装置、２は安全カバー、３は刈刃回転軸、４はこの回転軸３を保持する保持パイプ、５は可搬式駆動エンジン、６はエンジンハウジング、７は操作者、８は肩掛けバンド、９は操作ハンドル、１０はエンジン５によって駆動される駆動軸、１１はその保持パイプ、１２は被動軸３の、上記刈刃１と反対側の端部外周に形成した軸方向に延びる溝、１３はこの溝１２間に形成される突条、１４は駆動軸１０の外端部に形成した孔１５の内周面に形成した、上記突条１３に合致する形状の凹溝を示し、被動軸３の突条１３を駆動軸１０の凹溝１４内に挿入することによって両者を回転駆動伝達自在に連結せしめている。   8 to 11 are explanatory views of a brush cutter using such a coupling device, where 1 is a working device such as a cutting blade, 2 is a safety cover, 3 is a cutting blade rotating shaft, and 4 is a rotating shaft 3. Holding pipe for holding, 5 is a portable drive engine, 6 is an engine housing, 7 is an operator, 8 is a shoulder band, 9 is an operating handle, 10 is a drive shaft driven by the engine 5, 11 is its holding pipe, 12 Is an axially extending groove formed on the outer periphery of the end of the driven shaft 3 opposite to the cutting blade 1, 13 is a protrusion formed between the grooves 12, and 14 is formed on the outer end of the drive shaft 10. The groove 15 formed on the inner peripheral surface of the hole 15 and having a shape that matches the protrusion 13 is inserted into the groove 14 of the drive shaft 10 by rotating the protrusion 13 of the driven shaft 3. It is connected so that it can be transmitted freely.

このような動力装置では刈刃１の代りに縁取り刃、トリミング刃、ボーリング刃、ブロワー本機等を種々交換して使用するが、このような取替アタッチメント式ではその都度、被動軸と駆動軸を取り外し、取り付けることが必要となり、この場合上記突条と凹溝を円周方向で一致せしめる必要がある。このため操作者は重い被動軸と駆動軸を夫々手でつかんで軸方向に互いに接近せしめると共に互いに相対的に円周方向に回動せしめる作業が必要となり、この作業が極めて困難であった。   In such a power unit, instead of the cutting blade 1, an edge blade, a trimming blade, a boring blade, a blower main unit, etc. are used in various exchanges. In such a replacement attachment type, a driven shaft and a drive shaft are used each time. In this case, it is necessary to match the protrusion and the groove in the circumferential direction. For this reason, it is necessary for the operator to grasp the heavy driven shaft and the drive shaft with their hands to make them approach each other in the axial direction and to rotate them relative to each other in the circumferential direction, which is extremely difficult.

本考案は上記の欠点を除くようにしたものである。   The present invention eliminates the above-mentioned drawbacks.

本考案の２軸連結装置は、第１軸と第２軸とを連結する連結装置であって、上記第１軸の先端外周に形成した軸方向に延びる突条と、上記第２軸の先端部に形成した、上記第１軸の先端部を嵌入する孔と、この孔の内周面に半径方向内方に突出して形成した複数の突条と、この突条間に形成される上記第１軸の突条を嵌入せしめる溝とより成り、上記第１及び第２の軸の突条の端面が尖頭状とされていることを特徴とする。   A biaxial coupling device of the present invention is a coupling device that couples a first shaft and a second shaft, and includes an axially extending ridge formed on the outer periphery of the tip of the first shaft, and a tip of the second shaft. A hole for fitting the tip of the first shaft, a plurality of ridges formed to protrude radially inward on the inner peripheral surface of the hole, and the first formed between the ridges. It consists of a groove into which a uniaxial protrusion is fitted, and the end faces of the first and second axial protrusions are pointed.

また、本考案の２軸連結装置は、第１軸と第２軸とを連結する連結装置であって、上記第１軸の先端外周に周方向に互いに離間して形成した軸方向に延びる複数の溝及びこの溝間に形成される突条と、上記第２軸の先端部に形成した、上記第１軸の先端部を嵌入する孔と、この孔の内周面に半径方向内方に突出して形成した複数の突条と、この突条間に形成される上記第１軸の突条を嵌入せしめる溝とより成り、上記第１及び第２の軸の突条の端面が尖頭状とされていることを特徴とする。   The biaxial coupling device of the present invention is a coupling device that couples a first shaft and a second shaft, and is a plurality of axially extending outer circumferential ends formed on the outer periphery of the tip end of the first shaft. , A protrusion formed between the grooves, a hole formed at the tip of the second shaft, and a hole into which the tip of the first shaft is fitted, and an inner peripheral surface of the hole radially inward. It consists of a plurality of protruding protrusions and grooves into which the protrusions of the first shaft formed between the protrusions are fitted, and the end surfaces of the protrusions of the first and second shafts are pointed. It is said that it is said.

上記第１軸及び第２軸の何れか一方が被動軸であり、何れか他方が駆動軸であって上記駆動軸から上記被動軸に回転が伝達されることを特徴とする。   One of the first shaft and the second shaft is a driven shaft, and the other is a drive shaft, and rotation is transmitted from the drive shaft to the driven shaft.

上記駆動軸が可搬式駆動エンジンによって駆動されることを特徴とする。   The drive shaft is driven by a portable drive engine.

上記被動軸にアタッチメント式作業装置が接続されることを特徴とする。   An attachment work device is connected to the driven shaft.

上記突条がインボリュートスプラインまたは角形スプラインであることを特徴とする。   The protrusion is an involute spline or a square spline.

上記第１軸と第２軸の突条の尖頭部が夫々の突条の先端部正面に形成した傾斜面及び先端部両側面に形成した傾斜面とにより形成されることを特徴とする。   The pointed heads of the ridges of the first axis and the second axis are formed by an inclined surface formed on the front surface of the tip of each ridge and inclined surfaces formed on both side surfaces of the tip.

また、上記先端部両側面に形成された傾斜面が曲面であることを特徴とする。   In addition, the inclined surfaces formed on both side surfaces of the tip portion are curved surfaces.

また、上記第１軸と第２軸の何れか一方に作業装置が設けられており、何れか他方にこれを駆動するためのエンジンが設けられていることを特徴とする。   Further, a working device is provided on one of the first shaft and the second shaft, and an engine for driving the working device is provided on either one of the first shaft and the second shaft.

本考案の２軸連結装置によればワンタッチ操作で被動軸と駆動軸を極めて容易に回転動力伝達自在に連結できるようになる大きな利益がある。   According to the two-axis coupling device of the present invention, there is a great advantage that the driven shaft and the drive shaft can be coupled with one-touch operation so that the rotational power can be transmitted with ease.

本考案の連結装置における被動軸の外端面図である。It is an outer end view of the driven shaft in the coupling device of the present invention. 図１に示す被動軸の平面図である。It is a top view of the driven shaft shown in FIG. 図１のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 図１のＢ−Ｂ線断面図である。It is the BB sectional view taken on the line of FIG. 本考案の２軸連結装置における駆動軸の外端面図である。It is an outer end view of the drive shaft in the biaxial coupling device of the present invention. 図５のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 図５のＢ−Ｂ線断面図である。FIG. 6 is a sectional view taken along line B-B in FIG. 5. 従来の刈払機の説明図である。It is explanatory drawing of the conventional brush cutter. 従来の連結装置の説明図である。It is explanatory drawing of the conventional connection apparatus. 従来の連結装置の説明図である。It is explanatory drawing of the conventional connection apparatus. 従来の連結装置の説明図である。It is explanatory drawing of the conventional connection apparatus.

以下図面によって本考案の実施例を説明する。   Embodiments of the present invention will be described below with reference to the drawings.

本考案においては、図１−図４に示すように被動軸３の端部外周に端部から所望の長さだけ軸方向に延びる、断面が例えば梯形状の所望の深さの溝１６を円周方向に互いに例えば６０°離間して６個切削し、この溝１６相互間に例えば断面矩形状の突条１７を形成せしめ、この突条１７の先端部正面を斜めにカットして先端部に上面から基底部に向って例えば２０°の角度の上方斜面１８を形成し、この斜面１８の中心線から左右に上記突条１７の両側底部に向って斜めにカットして両側方斜面１９を形成して上記突条１７の端面を尖頭状ならしめる。   In the present invention, as shown in FIG. 1 to FIG. 4, a groove 16 having a desired depth, for example, a trapezoidal cross section extending in the axial direction from the end to the outer periphery of the end of the driven shaft 3. For example, six pieces are cut at 60 ° apart from each other in the circumferential direction, and a ridge 17 having, for example, a rectangular cross section is formed between the grooves 16. An upper inclined surface 18 having an angle of, for example, 20 ° is formed from the upper surface toward the base portion, and the both side inclined surfaces 19 are formed by cutting obliquely from the center line of the inclined surface 18 to the left and right bottom portions of the protrusion 17. Then, the end face of the ridge 17 is made pointed.

また、図５〜図７に示すように駆動軸１０の先端部に、上記被動軸３の端部を嵌入せしめる大きさの筒状孔２０を形成し、この筒状孔２０の内周面に、上記被動軸３の溝１６に嵌入する、上記被動軸３の溝１６に対応する形状、数及び位置の突条２１を半径方向内方に突出形成し、この突条２１間に、上記被動軸３の突条１７を嵌入する断面形状の溝２２を形成せしめ、上記突条２１の先端部正面を斜めにカットして先端部に底面から上部に向って例えば２０°の角度の下方斜面２３を形成し、この斜面２３の中心線から左右に上記突条２１の下面から両側上部に向って斜めにカットして側方斜面２４を形成して上記突条２１の端面を尖頭状ならしめる。   Further, as shown in FIGS. 5 to 7, a cylindrical hole 20 having a size for fitting the end of the driven shaft 3 is formed at the tip of the drive shaft 10, and the inner peripheral surface of the cylindrical hole 20 is formed. A protrusion 21 having a shape, number and position corresponding to the groove 16 of the driven shaft 3 is formed so as to protrude radially inwardly into the groove 16 of the driven shaft 3. A groove 22 having a cross-sectional shape for fitting the protrusion 17 of the shaft 3 is formed, and the front surface of the front end of the protrusion 21 is cut obliquely, and the lower inclined surface 23 at an angle of, for example, 20 ° from the bottom surface to the upper portion at the front end. And the side surfaces 24 are formed by cutting diagonally from the lower surface of the ridge 21 toward the upper side on both sides from the center line of the inclined surface 23 to make the end surface of the ridge 21 have a pointed shape. .

本考案の２軸連結装置は上記のような構成であるから上記被動軸３の先端部を上記駆動軸１０の先端の孔２０内に軸方向に挿入せしめれば、被動軸３の突条１７の先端が駆動軸１０の突条２１の端面に突き当っても被動軸３の突条１７の先端も、また駆動軸１０の突条２１の先端も共に尖頭状であり、被動軸３と駆動軸１０は互いに軸方向に接近したとき夫々斜面１９、２４に沿って相対的に円周方向に移動し、被動軸３の突条１７は駆動軸１０内の溝２２内に嵌入し、また、駆動軸１０の突条２１は被動軸３の溝１６内に嵌入し、被動軸３と駆動軸１０は動力伝達可能に連結されるようになる。   Since the biaxial coupling device of the present invention is configured as described above, if the tip of the driven shaft 3 is inserted into the hole 20 at the tip of the drive shaft 10 in the axial direction, the ridge 17 of the driven shaft 3 is obtained. The tip of the protrusion 17 of the driven shaft 3 and the tip of the protrusion 21 of the drive shaft 10 are both pointed even when the tip of the shaft abuts against the end surface of the protrusion 21 of the drive shaft 10. When the drive shaft 10 approaches each other in the axial direction, the drive shaft 10 moves relatively circumferentially along the inclined surfaces 19 and 24, respectively, and the protrusion 17 of the driven shaft 3 fits into the groove 22 in the drive shaft 10, and The ridge 21 of the drive shaft 10 is fitted into the groove 16 of the driven shaft 3 so that the driven shaft 3 and the drive shaft 10 are connected so as to be able to transmit power.

なお、被動軸３を駆動軸とし、駆動軸１０を被動軸として用いても良い。   Note that the driven shaft 3 may be used as a drive shaft and the drive shaft 10 may be used as a driven shaft.

また、上記突条１７、２１はインボリュートスプラインまたは角形スプラインとしても良い。また、上記被動軸３の突条１７の数は１個でも良く、上記突条１７及び上記駆動軸１０の突条２１の傾斜面１９及び２４は曲面としても良い。   The ridges 17 and 21 may be involute splines or square splines. The number of the ridges 17 of the driven shaft 3 may be one, and the inclined surfaces 19 and 24 of the ridges 17 and the ridges 21 of the drive shaft 10 may be curved surfaces.

１ 刈刃
２ 安全カバー
３ 刈刃回転軸（被動軸）
４ 保持パイプ
５ 駆動エンジン
６ エンジンハウジング
７ 操作者
８ 肩掛けバンド
９ 操作ハンドル
１０ 駆動軸
１１ 保持パイプ
１２ 溝
１３ 突条
１４ 凹溝
１５ 孔
１６ 溝
１７ 突条
１８ 上方斜面
１９ 両側方斜面
２０ 孔
２１ 突条
２２ 溝
２３ 下方斜面
２４ 側方斜面 1 Cutting blade 2 Safety cover 3 Cutting blade rotating shaft (driven shaft)
4 Holding pipe 5 Drive engine 6 Engine housing 7 Operator 8 Shoulder band 9 Operation handle 10 Drive shaft 11 Holding pipe 12 Groove 13 Projection 14 Concave groove 15 Hole 16 Groove 17 Projection 18 Upper slope 19 Both sides slope 20 Hole 21 Projection Article 22 Groove 23 Lower slope 24 Side slope

Claims (10)

第１軸と第２軸とを連結する連結装置であって、上記第１軸の先端外周に形成した軸方向に延びる突条と、上記第２軸の先端部に形成した、上記第１軸の先端部を嵌入する孔と、この孔の内周面に半径方向内方に突出して形成した複数の突条と、この突条間に形成される上記第１軸の突条を嵌入せしめる溝とより成り、上記第１及び第２の軸の突条の端面が尖頭状とされていることを特徴とする２軸連結装置。   A connecting device for connecting a first shaft and a second shaft, wherein the first shaft is formed at the tip end portion of the second shaft, and an axially extending ridge formed on the outer periphery of the tip of the first shaft. A hole into which the tip of the first part is inserted, a plurality of protrusions formed to protrude radially inward on the inner peripheral surface of the hole, and a groove into which the protrusion of the first shaft formed between the protrusions is inserted. And the end surfaces of the protrusions of the first and second shafts are pointed. 第１軸と第２軸とを連結する連結装置であって、上記第１軸の先端外周に周方向に互いに離間して形成した軸方向に延びる複数の溝及びこの溝間に形成される突条と、上記第２軸の先端部に形成した、上記第１軸の先端部を嵌入する孔と、この孔の内周面に半径方向内方に突出して形成した複数の突条と、この突条間に形成される上記第１軸の突条を嵌入せしめる溝とより成り、上記第１及び第２の軸の突条の端面が尖頭状とされていることを特徴とする２軸連結装置。   A coupling device for coupling a first shaft and a second shaft, wherein a plurality of axially extending grooves formed on the outer periphery of the tip end of the first shaft and spaced apart from each other in the circumferential direction, and protrusions formed between the grooves. A plurality of ridges formed on the inner peripheral surface of the hole, and a plurality of ridges formed on the inner peripheral surface of the hole. A biaxial shaft comprising a groove into which the first shaft ridge formed between the ridges is inserted, and the end surfaces of the first and second shaft ridges are pointed. Connecting device. 上記第１軸及び第２軸の何れか一方が被動軸であり、何れか他方が駆動軸であって上記駆動軸から上記被動軸に回転が伝達されることを特徴とする請求項１または２記載の２軸連結装置。   3. One of the first shaft and the second shaft is a driven shaft, and the other is a drive shaft, and rotation is transmitted from the drive shaft to the driven shaft. The two-axis coupling device described. 上記駆動軸が可搬式駆動エンジンによって駆動されることを特徴とする請求項１、２または３記載の２軸連結装置。   4. The two-shaft coupling device according to claim 1, wherein the drive shaft is driven by a portable drive engine. 上記被動軸にアタッチメント式作業装置が接続されることを特徴とする請求項１、２、３または４記載の２軸連結装置。   5. The biaxial coupling device according to claim 1, wherein an attachment work device is connected to the driven shaft. 上記突条がインボリュートスプラインであることを特徴とする請求項１、２、３、４または５記載の２軸連結装置。   6. The biaxial coupling device according to claim 1, wherein the protrusion is an involute spline. 上記突条が角形スプラインであることを特徴とする請求項１、２、３、４または５記載の２軸連結装置。   6. The biaxial coupling device according to claim 1, wherein the protrusion is a square spline. 上記第１軸と第２軸の突条の尖頭部が夫々の突条の先端部正面に形成した傾斜面及び先端部両側面に形成した傾斜面とにより形成されることを特徴とする請求項１、２、３、４、５、６または７記載の２軸連結装置。   The pointed heads of the ridges of the first shaft and the second shaft are formed by an inclined surface formed on the front surface of the tip portion of each ridge and an inclined surface formed on both side surfaces of the tip portion. Item 8. The biaxial coupling device according to Item 1, 2, 3, 4, 5, 6 or 7. 上記先端部両側面に形成された傾斜面が曲面であることを特徴とする請求項８記載の２軸連結装置。   9. The biaxial coupling device according to claim 8, wherein the inclined surfaces formed on both side surfaces of the tip portion are curved surfaces. 上記第１軸と第２軸の何れか一方に作業装置が設けられており、何れか他方にこれを駆動するためのエンジンが設けられていることを特徴とする請求項１、２、３、４、５、６、７、８または９記載の２軸連結装置。   A working device is provided on one of the first shaft and the second shaft, and an engine for driving the other is provided on either one of the first shaft and the second shaft. The biaxial coupling device according to 4, 5, 6, 7, 8 or 9.
JP2010000303U 2010-01-20 2010-01-20 2-axis coupling device Expired - Lifetime JP3159339U (en)

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KR1020110004483A KR20110085898A (en) 2010-01-20 2011-01-17 Connecting device of two shafts

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